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Anatomy Block 4 > Muscles > Flashcards

Muscles Flashcards

1
Q

Trapezius: actions

A

Rotates, elevates, retracts, and depresses the scapula

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2
Q

Trapezius: innervation (motor)

A

Spinal accessory n

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3
Q

Sternocleidomastoid: Superior attachment

A

Mastoid process, lateral half of superior nuchal line

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4
Q

Sternocleidomastoid: action

A

Laterally flexes the head and rotates the face to opposite side (unilateral), extends head (bilateral)

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5
Q

Sternocleidomastoid: innervation

A

Spinal accessory n

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6
Q

Platysma: action

A

Tenses the skin of the neck, depresses the mandible

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7
Q

Platysma: innervation

A

Cervical branch of the facial nerve

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8
Q

Sternohyoid: SA

A

body of hyoid bone

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9
Q

Sternohyoid: IA

A

posterior surface of manubrium of sternum

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10
Q

Sternohyoid: action

A

Depress hyoid

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11
Q

Sternohyoid: I

A

Ansa cervicalis (C1-C3)

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12
Q

Omohyoid: SA

A

inferior border of hyoid bone

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13
Q

Omohyoid: IA

A

superior border of scapula near suprascapular notch

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14
Q

Omohyoid: Action

A

Depresses and retracts the hyoid

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15
Q

Omohyoid: I

A

Ansa cervicalis (C1-C3)

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16
Q

Sternothyroid: SA

A

Oblique line of thyroid cartilage

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17
Q

Sternothyroid: IA

A

Posterior surface of manubrium of sternum

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18
Q

Sternothyroid: action

A

Depresses thyroid cartilage and larynx

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19
Q

Sternothryoid: I

A

Ansa cervicalis (C1-C3)

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20
Q

Thyrohyoid: SA

A

Inferior border of body and greater horn of hyoid

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21
Q

Thyrohyoid: IA

A

Oblique line of thyroid cartilage

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22
Q

Thryohyoid: action

A

depresses hyoid and elevates the thyroid cartilage and larynx

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23
Q

Thyrohyoid innervation

A

C1 via hypoglossal n.

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24
Q

Digastric: SA

A

Digastric fossa of mandible (anterior belly)

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25
Q

Digastric: IA

A

Mastoid process of the temporal bone (posterior belly)

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26
Q

Digastric: action

A

elevates hyoid and depresses mandible

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27
Q

Digastric: innervation

A 
nerve to mylohyoid (anterior belly) 
Facial n (posterior belly)
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28
Q

Stylohyoid superior attachment

A

Styloid process

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29
Q

Stylohyoid: IA

A

body of the hyoid

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30
Q

Stylohyoid: A

A

elevates hyoid

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31
Q

Stylohyoid: I

A

Facial n

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32
Q

Mylohyoid: SA

A

mylohyoid line of mandible

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33
Q

Mylohyoid: IA

A

hyoid bone and mylohyoid raphe

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34
Q

Mylohyoid: action

A

supports the floor of the oral cavity

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35
Q

Mylohyoid: I

A

n. to mylohyoid

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36
Q

Anterior scalene: IA

A

First rib

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37
Q

Anterior scalene: action

A

Flexes neck, elevates first rib during inspiration

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38
Q

Anterior scalene: I

A

Anterior rami C4-6

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39
Q

Middle scalene: IA

A

First rib

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40
Q

Middle scalene: A

A

Flexes neck, elevates first rib during inspiration

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41
Q

Middle scalene: I

A

Anterior rami C2-C6

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42
Q

Posterior scalene: IA

A

second rib

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43
Q

Posterior scalene: A

A

Flexes neck laterally, elevates second rib during inspiratoin

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44
Q

Posterior scalene: I

A

anterior rami C7-C8

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45
Q

Orbicularis oculi: A

A

tightly closes the eye (orbital part), blinking (palpebral part)

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46
Q

Orbicularis oculi: I

A

Facial n

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47
Q

Levator labii superioris: MA

A

Upper lip

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48
Q

Levator labii superioris: LA

A

maxilla just below the orbital margin

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49
Q

Levator labii superioris: A

A

elevates upper lip

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50
Q

Levator labii superioris: I

A

Facial n

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51
Q

Zygomaticus major: MA

A

angle of the mouth

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52
Q

Zygomaticus major: LA

A

zygomatic bone

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53
Q

Zygomaticus major: action

A

draws angle of mouth superiorly and posteriorly

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54
Q

Zygomaticus major: innervation

A

facial n

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55
Q

Orbicularis oris: LA

A

angle of the mouth

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56
Q

Orbicularis oris: A

A

sphincter of mouth

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57
Q

Orbicularis oris: I

A

facial n

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58
Q

Buccinator: MA

A

angle of the mouth

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59
Q

Buccinator: A

A

compresses cheek against molar teeth, keeping food on the occlusal surfaces during chewing

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60
Q

Buccinator: I

A

Facial n

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61
Q

Depressor anguli oris: MA

A

angle of the mouth

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62
Q

Depressor anguli oris: LA

A

mandible

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63
Q

Depressor anguli oris: A

A

depresses the angle of the mouth

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64
Q

Depressor anguli oris: I

A

facial n

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65
Q

Depressor labii inferioris: MA

A

lower lip

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66
Q

Depressor labii inferioris: LA

A

mandible

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67
Q

Depressor labii inferioris: A

A

depresses lower lip

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68
Q

Depressor labii inferioris: I

A

facial n

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69
Q

Masseter: SA

A

zygomatic arch

70
Q

Masseter: IA

A

ramus and angle of mandible

71
Q

Masseter: Actions

A

Elevates and protrudes mandible

72
Q

Masseter: I

A

CN V3 via mandibular n

73
Q

Temporalis: SA

A

floor of temporal fossa

74
Q

Temporalis: IA

A

Coronoid process and ramus of mandible

75
Q

Temporalis: A

A

Elevates and retrudes mandible

76
Q

Temporalis: I

A

CN V3 via deep temporal nn

77
Q

Medial pterygoid: IA

A

medial surface of ramus of mandible

78
Q

Medial pterygoid: A

A

Elevates and protrudes mandible (bilateral), side to side movement of mandible (unilateral)

79
Q

Medial pterygoid: I

A

CN V3 via medial pterygoid n

80
Q

Lateral pterygoid: A

A

Depresses and protrudes mandible (bilateral), side to side movement of mandible (unilateral)

81
Q

Lateral pterygoid: I

A

CN V3 via lateral pterygoid n

82
Q

Levator palpebrae superioris: AA

A

tarsal plate of the upper eyelid

83
Q

Levator palpebrae superioris PA

A

sphenoid bone

84
Q

Levator palpebrae superioris: A

A

elevation and retraction of the upper eyelid

85
Q

Levator palpebrae superioris i

A

oculomotor n

86
Q

superior rectus: aa

A

sclera

87
Q

Superior rectus: pa

A

common tendinous ring

88
Q

superior rectus: A

A

elevates and adduction of eye

89
Q

superior rectus: I

A

oculomotor

90
Q

superior oblique: AA

A

sclera

91
Q

superior oblique: IA

A

sphenoid bone

92
Q

superior oblique: A

A

depression, intorsion, and abduction of the eye

93
Q

superior oblique: I

A

trochlear n

94
Q

lateral rectus: AA

A

sclera

95
Q

lateral rectus: pa

A

common tendinous ring

96
Q

lateral rectus: action

A

abduction of eye

97
Q

lateral rectus innervation

A

abducens

98
Q

medial rectus: AA

A

sclera

99
Q

medial rectus: PA

A

common tendinous ring

100
Q

medial rectus: A

A

adduction of the eye

101
Q

medial rectus: I

A

oculomotor n

102
Q

inferior rectus: AA

A

sclera

103
Q

inferior rectus: PA

A

common tendinous ring

104
Q

inferior rectus: A

A

depression and adduction of the eye

105
Q

inferior rectus: I

A

oculomotor

106
Q

Inferior oblique: AA

A

sclera

107
Q

inferior oblique: PA

A

maxilla

108
Q

inferior oblique: action

A

elevation, extorsion, and abduction of eye

109
Q

inferior oblique: innervation

A

oculomotor

110
Q

Superior phayngeal constrictor: AA

A

pterygoid hamulus

111
Q

Superior phayngeal constrictor: PA

A

pharyngeal tubercle

112
Q

Superior phayngeal constrictor: A

A

constrict wall of pharynx during swallowing

113
Q

Superior phayngeal constrictor: I

A

vagus n

114
Q

Middle pharyngeal constrictor: AA

A

greater horn of the hyoid bone

115
Q

Middle pharyngeal constrictor: IA

A

pharyngeal raphe

116
Q

Middle pharyngeal constrictor: A

A

constrict wall of pharyx during swallowing

117
Q

Middle pharyngeal constrictor: I

A

vagus n

118
Q

Inferior pharyngeal constrictor: PA

A

pharyngeal raphe

119
Q

Inferior pharyngeal constrictor: A

A

constrict wall of pharynx during swallowing

120
Q

Inferior pharyngeal constrictor: I

A

vagus n

121
Q

Stylopharyngeus: AA

A

styloid process

122
Q

Stylopharyngeus: PA

A

thryoid cartilage

123
Q

Stylopharyngeus: A

A

elevate pharynx and larynx during swallowing and speaking

124
Q

Stylopharyngeus: I

A

glossopharyngeal n

125
Q

Palatoglossus: SA

A

palatine aponeurosis

126
Q

palatoglossus: IA

A

lateral aspect of the tongue

127
Q

palatoglossus: A

A

elevates tongue and depresses soft palate

128
Q

palatoglossus: I

A

vagus n

129
Q

Palatopharyngeus: SA

A

hard palate

130
Q

Palatopharyngeus: IA

A

thyroid cartilage

131
Q

Palatopharyngeus: A

A

elevates larynx during swallowing and speaking

132
Q

Palatopharyngeus: I

A

vagus n

133
Q

Salpingopharyngeus: SA

A

cartilage of eustachian tube

134
Q

Salpingopharyngeus: IA

A

thyroid cartilage

135
Q

Salpingopharyngeus: A

A

elevates larynx during swallowing and speaking

136
Q

Salpingopharyngeus: I

A

vagus n

137
Q

Musculus uvulae: SA

A

posterior nasal spine

138
Q

Musculus uvulae: IA

A

palatine aponeurosis

139
Q

Musculus uvulae: A

A

elevates and retracts uvula

140
Q

Musculus uvulae: I

A

vagus n

141
Q

Levator veli palatini: SA

A

cartilage of eustachian tube and petrous part of temporal bone

142
Q

Levator veli palatini: IA

A

palatine aponeurosis

143
Q

Levator veli palatini: a

A

elevates and retracts uvula

144
Q

Levator veli palatini: I

A

vagus

145
Q

Tensor veli palatini: SA

A

scaphoid fossa and spine of sphenoid bone

146
Q

Tensor veli palatini: IA

A

palatine aponeurois

147
Q

Tensor veli palatini: A

A

tenses soft palate

148
Q

Tensor veli palatini: I

A

mandibular division of trigeminal (CN V3)

149
Q

Geniohyoid: SA

A

inferior mental spine of mandible

150
Q

Geniohyoid: IA

A

body of hyoid bone

151
Q

Geniohyoid: A

A

pulls the hyoid bone anteriorly

152
Q

Geniohyoid: I

A

Hypoglossal n

153
Q

Genioglossus: SA

A

superior mental spine of the mandible

154
Q

Genioglossus: IA

A

hyoid bone and tongue

155
Q

Genioglossus: actions

A

depresses and protrudes the tongue

156
Q

Genioglossus: I

A

hypoglossal n

157
Q

hyoglossus: SA

A

tongue

158
Q

hyoglossus: IA

A

body and greater horn of hyoid bone

159
Q

hyoglossus: A

A

depresses and retracts tongue

160
Q

hyoglossus: I

A

hypoglossal n

161
Q

styloglossus: SA

A

styloid process

162
Q

styloglossus: IA

A

tongue

163
Q

styloglossus: A

A

retracts tongue and draws it superiorly

164
Q

styloglossus: I

A

hypoglossal n

165
Q

Cricothyorid: SA

A

inferior margin and inferior horn of cartilage

166
Q

Cricothyorid: IA

A

anterolateral surface of cricoid cartilage

167
Q

Cricothyorid: A

A

tilts the thyroid cartilage anteriorly to lengthen (tense) vocal cords

168
Q

Cricothyorid: I

A

external branch of the superior laryngeal n

169
Q

Posterior cricoarytenoid: SA

A

muscular process of arytenoid cartilage

170
Q

Posterior cricoarytenoid: IA

A

posterior surface of the lamina of cricoid cartilage

171
Q

Posterior cricoarytenoid: A

A

rotates arytenoid cartilage laterally to abduct vocal cords

172
Q

Posterior cricoarytenoid: I

A

Inferior laryngeal branch of the recurrent laryngeal

Anatomy Block 4 (2 decks)

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